Enables protein kinase binding activity. Involved in several processes, including animal organ development; response to corticosterone; and response to vitamin E. Located in cytoplasm and nucleus. Used to study prostate cancer and status epilepticus. Biomarker of impotence; transitional cell carcinoma; and visual epilepsy. Human ortholog(s) of this gene implicated in several diseases, including carcinoma (multiple); colorectal cancer; hematologic cancer (multiple); invasive lobular carcinoma; and von Hippel-Lindau disease. Orthologous to human CCND1 (cyclin D1). [provided by Alliance of Genome Resources, Apr 2022]